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7bff3766 | 1 | /************************************************************************** |
2 | * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /////////////////////////////////////////////////////////////////////////////// | |
17 | // // | |
18 | // Class with ZDC reconstruction parameters // | |
19 | // Origin: Chiara.Oppedisano@to.infn.it // | |
20 | // // | |
21 | /////////////////////////////////////////////////////////////////////////////// | |
22 | ||
73bc3a3f | 23 | #include <TFile.h> |
24 | #include <TTree.h> | |
25 | #include <TH2F.h> | |
26 | #include <TH1D.h> | |
7bff3766 | 27 | |
7bff3766 | 28 | #include "AliZDCRecoParam.h" |
29 | #include "AliZDCRecoParamPbPb.h" | |
30 | ||
31 | ClassImp(AliZDCRecoParamPbPb) | |
32 | ||
33 | //_____________________________________________________________________________ | |
34 | AliZDCRecoParamPbPb::AliZDCRecoParamPbPb() : | |
35 | AliZDCRecoParam(), | |
73bc3a3f | 36 | fhNpartDist(0x0), |
37 | fhbDist(0x0), | |
38 | fClkCenter(0) | |
7bff3766 | 39 | { |
40 | // | |
41 | //Default constructor | |
42 | } | |
43 | //_____________________________________________________________________________ | |
0d579f58 | 44 | AliZDCRecoParamPbPb::AliZDCRecoParamPbPb(TH1D *hNpart, TH1D *hb, Float_t clkCent) : |
73bc3a3f | 45 | AliZDCRecoParam(), |
73bc3a3f | 46 | fhNpartDist(hNpart), |
47 | fhbDist(hb), | |
48 | fClkCenter(clkCent) | |
49 | { | |
50 | // | |
51 | //Standard constructor | |
52 | } | |
7bff3766 | 53 | |
73bc3a3f | 54 | //______________________________________________________________________________ |
55 | AliZDCRecoParamPbPb::AliZDCRecoParamPbPb(const AliZDCRecoParamPbPb &oldrecopar) : | |
56 | AliZDCRecoParam(), | |
73bc3a3f | 57 | fhNpartDist(0x0), |
58 | fhbDist(0x0), | |
59 | fClkCenter(oldrecopar.fClkCenter) | |
60 | { | |
61 | //Copy constructor | |
73bc3a3f | 62 | if(oldrecopar.fhNpartDist){ |
63 | fhNpartDist = new TH1D(*oldrecopar.fhNpartDist); | |
64 | fhNpartDist->SetDirectory(0); | |
65 | } | |
66 | if(oldrecopar.fhbDist){ | |
67 | fhbDist = new TH1D(*oldrecopar.fhbDist); | |
68 | fhbDist->SetDirectory(0); | |
69 | } | |
70 | } | |
db0907f4 | 71 | |
72 | //_____________________________________________________________________________ | |
73 | AliZDCRecoParamPbPb &AliZDCRecoParamPbPb::operator =(const AliZDCRecoParamPbPb &recpar) | |
74 | { | |
213a7d34 | 75 | // Equal operator. |
76 | this->~AliZDCRecoParamPbPb(); | |
77 | new(this) AliZDCRecoParamPbPb(recpar); | |
78 | return *this; | |
79 | ||
db0907f4 | 80 | } |
73bc3a3f | 81 | |
82 | //_____________________________________________________________________________ | |
83 | AliZDCRecoParamPbPb::~AliZDCRecoParamPbPb() | |
84 | { | |
85 | // destructor | |
7bff3766 | 86 | |
73bc3a3f | 87 | if(fhNpartDist) delete fhNpartDist; |
88 | if(fhbDist) delete fhbDist; | |
7bff3766 | 89 | } |
90 | ||
7bff3766 | 91 | //_____________________________________________________________________________ |
2d9c70ab | 92 | void AliZDCRecoParamPbPb::SetGlauberMCDist(Float_t beamEnergy) |
7bff3766 | 93 | { |
73bc3a3f | 94 | // Setting Glauber MC distributions |
95 | // from histos file stored in $ALICE_ROOT/ZDC | |
2d9c70ab | 96 | TH1::AddDirectory(0); |
97 | TH2::AddDirectory(0); | |
98 | ||
99 | TFile *fileGlauberMC = TFile::Open("$ALICE_ROOT/ZDC/GlauberMCDist.root"); | |
100 | if(!fileGlauberMC) { | |
ee4788fe | 101 | AliError((" Opening file $ALICE_ROOT/ZDC/GlauberMCDist.root failed\n")); |
2d9c70ab | 102 | return; |
103 | } | |
104 | ||
105 | Float_t sqrtS = 2*beamEnergy; | |
106 | // | |
107 | if(TMath::Abs(sqrtS-5500) < 100.){ | |
108 | AliDebug(2, " ZDC -> Looking for energy5500 in file $ALICE_ROOT/ZDC/GlauberMCDist.root"); | |
109 | fileGlauberMC->cd("energy5500"); | |
2d9c70ab | 110 | fileGlauberMC->GetObject("energy5500/hbGlauber;1", fhbDist); |
111 | if(!fhbDist) AliError(" PROBLEM!!! Can't get Glauber MC b distribution from file GlauberMCDist.root\n"); | |
ee4788fe | 112 | fileGlauberMC->GetObject("energy5500/hNpartGlauber;1", fhNpartDist); |
113 | if(!fhNpartDist) AliError(" PROBLEM!!! Can't get Glauber MC Npart distribution from file GlauberMCDist.root\n"); | |
2d9c70ab | 114 | } |
115 | else if(TMath::Abs(sqrtS-2760) < 100.){ | |
116 | AliDebug(2, " ZDC -> Looking for energy2760 in file $ALICE_ROOT/ZDC/GlauberMCDist.root"); | |
117 | fileGlauberMC->cd("energy2760"); | |
2d9c70ab | 118 | fileGlauberMC->GetObject("energy2760/hbGlauber;1", fhbDist); |
119 | if(!fhbDist) AliError(" PROBLEM!!! Can't get Glauber MC b distribution from file GlauberMCDist.root\n"); | |
ee4788fe | 120 | fileGlauberMC->GetObject("energy2760/hNpartGlauber;1", fhNpartDist); |
121 | if(!fhNpartDist) AliError(" PROBLEM!!! Can't get Glauber MC Npart distribution from file GlauberMCDist.root\n"); | |
2d9c70ab | 122 | } |
123 | else AliError(Form(" No AliZDCRecoParam provided for Pb-Pb @ sqrt(s) = %1.0f GeV\n", sqrtS)); | |
7bff3766 | 124 | // |
73bc3a3f | 125 | fhNpartDist->SetDirectory(0); |
73bc3a3f | 126 | fhbDist->SetDirectory(0); |
7bff3766 | 127 | |
2d9c70ab | 128 | fileGlauberMC->Close(); |
7bff3766 | 129 | } |
1de9cc13 | 130 | |
131 | //_____________________________________________________________________________ | |
2d9c70ab | 132 | AliZDCRecoParamPbPb *AliZDCRecoParamPbPb::GetHighFluxParam(Float_t beamEnergy) |
1de9cc13 | 133 | { |
134 | // Create high flux reco parameter | |
135 | TH1::AddDirectory(0); | |
136 | TH2::AddDirectory(0); | |
137 | // | |
2d9c70ab | 138 | TFile *fileGlauberMC = TFile::Open("$ALICE_ROOT/ZDC/GlauberMCDist.root"); |
139 | if(!fileGlauberMC) printf(" AliZDCRecoParamPbPb::GetHighFluxParam() ERROR opening file $ALICE_ROOT/ZDC/SpectatorSignal.root\n"); | |
140 | ||
bb98da29 | 141 | Float_t sqrtS = 2*beamEnergy; |
142 | ||
82dffa48 | 143 | TH1D *hNpartDist=0x0, *hbDist=0x0; |
bb98da29 | 144 | if(TMath::Abs(sqrtS-5500)<100.){ |
2d9c70ab | 145 | fileGlauberMC->cd("energy5500"); |
146 | fileGlauberMC->GetObject("energy5500/hNpartGlauber;1", hNpartDist); | |
147 | if(!hNpartDist) printf(" AliZDCRecoParamPbPb::GetHighFluxParam() PROBLEM!!! Can't get Glauber MC Npart distribution from file GlauberMCDist.root\n"); | |
148 | fileGlauberMC->GetObject("energy5500/hbGlauber;1", hbDist); | |
149 | if(!hbDist) printf(" AliZDCRecoParamPbPb::GetHighFluxParam() PROBLEM!!! Can't get Glauber MC b distribution from file GlauberMCDist.root\n"); | |
150 | } | |
bb98da29 | 151 | else if(TMath::Abs(sqrtS-2760)<100.){ |
2d9c70ab | 152 | fileGlauberMC->cd("energy2760"); |
153 | fileGlauberMC->GetObject("energy2760/hNpartGlauber;1", hNpartDist); | |
154 | if(!hNpartDist) printf(" PROBLEM!!! Can't get Glauber MC Npart distribution from file GlauberMCDist.root\n"); | |
155 | fileGlauberMC->GetObject("energy2760/hbGlauber;1", hbDist); | |
156 | if(!hbDist) printf(" AliZDCRecoParamPbPb::GetHighFluxParam() PROBLEM!!! Can't get Glauber MC b distribution from file GlauberMCDist.root\n"); | |
157 | } | |
bb98da29 | 158 | else printf(" No AliZDCRecoParam provided for Pb-Pb @ sqrt(s) = %1.0f GeV\n", sqrtS); |
1de9cc13 | 159 | // |
2d9c70ab | 160 | hNpartDist->SetDirectory(0); |
1de9cc13 | 161 | hbDist->SetDirectory(0); |
2d9c70ab | 162 | |
163 | AliZDCRecoParamPbPb* zdcRecoParam = new AliZDCRecoParamPbPb(hNpartDist, hbDist, 0.1); | |
1de9cc13 | 164 | // |
2d9c70ab | 165 | fileGlauberMC->Close(); |
1de9cc13 | 166 | |
167 | return zdcRecoParam; | |
168 | ||
169 | } |